Home / 31,415.04-43,353.09-17,268.30

Finding the Fourth Proportional to 31,415.04, 43,353.09 and 17,268.30

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Solution

The fourth proportional to 31,415.04, 43,353.09 and 17,268.30 is: 23,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.04 : 43,353.09 = 17,268.30 : x
  2. Step 2: Convert to fraction form
    31,415.04/43,353.09 = 17,268.30/x
  3. Step 3: Cross multiply
    31,415.04x = 43,353.09 × 17,268.30
  4. Step 4: Simplify right side
    31,415.04x = 748,634,164.05
  5. Step 5: Solve for x
    x = 748,634,164.05/31,415.04
  6. Step 6: Final answer
    x = 23,830.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.